SKU: 4715092689

ANDARINE (S4) – Solution, 1500mg (50mg/mL)

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Description

ANDARINE (S4) – Solution, 1500mg (50mg/mL)ANDARINE (S4) S 4, better known as Andarine and also referred to as Androxolutamide or GTx 007, is a Selective Androgen Receptor Modulator (SARM). In a notable study conducted by Gao et al., S 4 was characterized as an androgen receptor agonist in orchidectomized rats. The mechanism of action was found to focus on skeletal muscles, bones, and the pituitary gland. Effects of S 4 on Muscle Mass Male rats were treated for 8 weeks following castration

ANDARINE (S4)

S-4, better known as Andarine and also referred to as Androxolutamide or GTx-007, is a Selective Androgen Receptor Modulator (SARM). In a notable study conducted by Gao et al., S-4 was characterized as an androgen receptor agonist in orchidectomized rats. The mechanism of action was found to focus on skeletal muscles, bones, and the pituitary gland.

Effects of S-4 on Muscle Mass

Male rats were treated for 8 weeks following castration with either 3 mg/kg or 10 mg/kg of S-4. The study showed that both dosages were effective in restoring muscle mass and strength, both in the soleus muscle and in the levator ani muscle, to levels comparable to those of intact male rats. Read more here.

Treatment with S-4 had a minimal impact on the weight of the prostate and seminal vesicles, approximately 16-17%. However, strong androgenic effects on the prostate and seminal vesicles were observed.

Furthermore, both dosages exhibited strong agonistic activity in the pituitary gland, resulting in decreased plasma levels of both luteinizing hormone (LH) and follicle-stimulating hormone (FSH) in the castrated male rats. Read more here.

Effects of S-4 on Bone Mineral Density

According to the study by Gao et al., an 8-week treatment with S-4 resulted in a significant increase in bone mineral density in castrated male rats.

In another study conducted by Kearbey et al., female Sprague-Dawley rats were treated to investigate the effects of S-4 on accelerated bone loss caused by ovariectomy. This study concluded that S-4 treatment not only maintained cortical content and overall bone mineral density but also increased bone strength while simultaneously reducing total body fat. Read more here.

Kearbey et al. also concluded that treatment with S-4 has positive effects on both skeletal muscles and bones. It was suggested that S-4 treatment could reduce the risk of fractures by both increasing bone mineral density and strengthening bones and skeletal muscles, which in turn reduces the likelihood of falls. Read more here.

Concentration
50mg/ml.

Half Life
4 – 6 hours.

DISCLAIMER
This material is sold for use in laboratory research only. Terms of sale apply. Not for human consumption, nor for medical, veterinary use. Please use with our DISCLAIMER before ordering.

Data Sheet

Andarine (S-4) – Solution, 1500mg (50mg/mL)

Application Selective Androgen Receptor Modulator
CAS 401900-40-1
Molar Mass 441.357 g/mol
 Chemical Formula C19H18F3N3O6
IUPAC Name (2S)-3-(4-acetamido-phenoxy)-2-hydroxy-2-methyl-N-(4-nitro-3-trifluoromethyl-phenyl)-propionamide
Synonyms Andarine, Andarin, S-4, S-40503, GTx-007
Storage Room temperature
Solubility Soluble in Ethanol, PEG400
Organoleptic Profile Slightly Yellow, Transparent Liquid
Physical Form Solution in PEG400
Specification 50mg/mL ±5%
Terms This material is sold for laboratory research use only. Terms of sale apply. Not for human consumption, nor medical, veterinary, or household uses. Please familiarize yourself with our Terms & Conditions prior to ordering.
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SKU: 4715092689

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Guy
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★★★★★ 5
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Scent: Aged Bourbon
very good product, smells good. Keeps beard soft and controllable
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Reviewed in the United States on April 28, 2026
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Paul Podczervinski
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★★★★★ 5
Works great & smells good!
Scent: Sandalwood
I was concerned the facial wash would be too harsh but thankfully I was wrong. Every part of this kit compliments the other. My skin and beard feel noticeably softer, and I haven't had any acne breakouts. The scent is masculine but not too strong. This is now my new routine.
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Reviewed in the United States on May 21, 2026
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Cleo Beanie
Houston, US
★★★★★ 5
Smells amazing!!
Scent: Sandalwood
My husband loves this set. He has sensitive skin, and loves this product since it doesn’t cause any irritation, plus it smells amazing! The face wash seems to be helping with beard acne, while not drying out the hair like other washes do, and the oil moisturizes well creating a healthy shine. I would say this is well worth your money if you are looking for a full starter kit to try something new and well-rounded for your beard care.
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Reviewed in the United States on March 26, 2026
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Amazon Customer
Birmingham, US
★★★★★ 5
Smells great!
Scent: Sandalwood
My Partner loves the smell and says it makes his beard feel so soft. I would have to agree! The plastic brush is lame, the products are good!
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Reviewed in the United States on March 20, 2026
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Caleb Watkins
Los Angeles, US
★★★★★ 4
Great product at great price...
Scent: Sandalwood
As someone who's had a beard off and on for the better part of a decade, I've gone through my fair share of beard products. For the most part they're all very similar. The washes for the most part clean and leave a very squeaky clean (almost dry) feeling out of the shower. Conditioners help a bit after a wash, but not anything to write home about, the only one I've tried that I really liked was Scotch Porter. Oils help in hydrating, some are excessively oily and just don't look very appealing. Balms will help tidy up the overall shape of the beard, some are not really strong enough and just end up being another layer of oil on the wiskers. Ok, now for this review... So I believe this to be the most natural and most effective line of products I've found to date. First off, the wash, oh my, the wash... I could really just stop right there. This is my favorite of the line. It leaves my beard so soft I find myself not wanting to ruin it with a conditioner. If you try just one of these product, the wash is a must. Next we have the detangler, this is pretty much a leave in conditioner. It softens out the beard even further and adds a slickness to the beard, it feels great. The oil in the set is probably unnecessary since the wash and detangler do such a great job, but in any case it is a quality oil. The reason I say this is because it doesn't really stay oily in the hair, you can feel that after initially applying, it does absorb into either the follicle or skin, whichever it's intended to. As I mentioned, there are some oils that just don't do that, it's just greasy all day long. The balm is probably my least favorite of the line, but only because it's not a very strong holding balm. It's kind of like I mentioned, another layer of oil. This one does also absorb so it's ok. I prefer a more tacky balm with more wax rather than oils. Also, the scent of this line is a subtle chocolatey vanilla kind of smell. It's a very pleasant scent that my wife also enjoyed initially. However after about a week or so of using the product, I no longer get so much as a whiff, which is fine, I find that to be common with many of these beard oils and such. So, overall a great set of products that leave my beard feeling soft and hydrated all day long, it also feels like quality, in the sense that it does absorb. It doesn't feel like you just applied baby oil all over your face. I cannot stress this point enough, there are some "name brand" beard care product that feel as such. That's why this product line really stands out to me. Five stars...
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Reviewed in the United States on May 27, 2026

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